Help solving this problem
08-03-2019, 04:27 AM
Post: #1
 levi98 Junior Member Posts: 4 Joined: Aug 2019
Help solving this problem

New with this calculator
08-03-2019, 03:01 PM
Post: #2
 Aries Member Posts: 128 Joined: Oct 2014
RE: Help solving this problem

Best,

Aries
08-03-2019, 04:17 PM
Post: #3
 DrD Senior Member Posts: 1,089 Joined: Feb 2014
RE: Help solving this problem
[CAS] (With CAS setup Simplify setting to Maximum)

solve(r = ((9/4)*p+25),p) ==> {(4*r-100)/9}

Note: Used lower case variables here, Upper case variables are reserved.
08-03-2019, 06:20 PM
Post: #4
 victorvbc Junior Member Posts: 8 Joined: Jun 2019
RE: Help solving this problem
(08-03-2019 04:17 PM)DrD Wrote:  [CAS] (With CAS setup Simplify setting to Maximum)

solve(r = ((9/4)*p+25),p) ==> {(4*r-100)/9}

Note: Used lower case variables here, Upper case variables are reserved.

You can also use the uppercase vars, but they have to be inside single quotes. Just be careful if you evaluate the expression, the calculator will use the stored values.

simplify(solve('R' = ((9/4)*'P'+25),'P')) ==> {(4*R-100)/9}
08-04-2019, 03:52 PM
Post: #5
 levi98 Junior Member Posts: 4 Joined: Aug 2019
RE: Help solving this problem
(08-03-2019 04:17 PM)DrD Wrote:  [CAS] (With CAS setup Simplify setting to Maximum)

solve(r = ((9/4)*p+25),p) ==> {(4*r-100)/9}

Note: Used lower case variables here, Upper case variables are reserved.
08-05-2019, 12:00 PM
Post: #6
 Aries Member Posts: 128 Joined: Oct 2014
RE: Help solving this problem
Just make sure you work in CAS "environment" and use lowercase letters in the equation
Best,

Aries
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